8530289 has 2 divisors, whose sum is σ = 8530290. Its totient is φ = 8530288.

The previous prime is 8530283. The next prime is 8530307. The reversal of 8530289 is 9820358.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4950625 + 3579664 = 2225^2 + 1892^2 .

It is a cyclic number.

It is not a de Polignac number, because 8530289 - 2⁴ = 8530273 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8530283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4265144 + 4265145.

It is an arithmetic number, because the mean of its divisors is an integer number (4265145).

Almost surely, 2^8530289 is an apocalyptic number.

It is an amenable number.

8530289 is a deficient number, since it is larger than the sum of its proper divisors (1).

8530289 is an equidigital number, since it uses as much as digits as its factorization.

8530289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 8530289 is about 2920.6658487407. The cubic root of 8530289 is about 204.3248780255.

The spelling of 8530289 in words is "eight million, five hundred thirty thousand, two hundred eighty-nine".